[Nhcoll-l] Marker on bone

[Mariana Di Giacomo]

Hi Gali,

I haven't tried this yet but have been thinking about it for a while (and
maybe someone here has tried it and can comment). How about using a gel?

Let me know if you find a good solution!
Mariana

*Mariana Di Giacomo, PhD*
*Natural History Conservator, Yale Peabody Museum*
Associate Editor, Collection Forum, SPNHC
Secretary/Communications APOYOnline



El mié, 1 may 2024 a las 4:07, Simon Moore (<couteaufin at btinternet.com>)
escribió:

> Hi Gali,
>
> I used to have to do this and found that the most effective way was using
> some 10% hydrogen peroxide with a drop of 0.880 ammonium hydroxide mixed in
> and this pipetted onto the marked area.  After a few minutes, the ink
> particles started to lift off, so I rinsed the area with water and used an
> old toothbrush.  At worst, this slightly lightened the treated area but
> otherwise the number had gone.
>
> With all good wishes, Simon
>
> Simon Moore MIScT, RSci, FLS, ACR
> Conservator of Natural Sciences and Cutlery Historian.
>
> www.natural-history-conservation.com
>
>
> > On 1 May 2024, at 08:30, Gali Beiner <gali.beiner at mail.huji.ac.il>
> wrote:
> >
> > Dear NHColl-listers,
> >
> > I'm having the bad luck of having to remove an old number written
> directly onto the many bones of an entire skeleton with a black marker,
> which is proving to be far too permanent. Those of you familiar with such
> tasks won't be surprised to hear that the only thing with any effect at all
> is ethanol, but that even so the number is still very much there. I'm
> hoping maybe people here have some tricks up their sleeve that I haven't
> tried yet in effort to remove the marker off the bones. Suggestions,
> anyone?
> >
> > Best wishes,
> >
> > Gali
> >
> >
> >
> > --
> > Gali Beiner (ACR)
> > Conservator, Palaeontology Lab
> > National Natural History Collections
> > The Hebrew University of Jerusalem
> > Berman Building, Edmond J. Safra campus, Givat Ram
> > Jerusalem 91904, Israel
> > Fax. 972-2-6585785
> > gali.beiner at mail.huji.ac.il
> > https://nnhc.huji.ac.il/?lang=en
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